Fermion: HR8833 Thumbnail Sized DC Motor Driver 2x1.5A (Breakout)

Ultra-compact dual H-bridge DC motor driver (18×13mm) based on HR8833; drives two motors at up to 1.5A and 10V each. Uses XH2.54 connectors and supports PWM control.

Logical pinout · physical placement not verified

VCCOfficial table 2 row 1
Power 3.3V-5V or IO port output high
Type · Power
GNDOfficial table 2 row 2
Negative power supply
Type · Ground
IB2Official table 2 row 3
B channel logic input 2
Type · Unknown
IB1Official table 2 row 4
B channel logic input 1
Type · Unknown
IA2Official table 2 row 5
A channel logic input 2
Type · Unknown
IA1Official table 2 row 6
A channel logic input 1
Type · Unknown
VMOfficial table 2 row 7
Motor drive power 3.3V-10V
Type · Power
GNDOfficial table 2 row 8
Negative power supply
Type · Ground
MB1Official table 2 row 9
B Output 1
Type · Unknown
MB2Official table 2 row 10
B Output 2
Type · Unknown
MA2Official table 2 row 11
A Output 2
Type · Unknown
MA1Official table 2 row 12
A Output 1
Type · Unknown

Pin	Position	Type	Function
VCC	Official table 2 row 1	Power	Power 3.3V-5V or IO port output high
GND	Official table 2 row 2	Ground	Negative power supply
IB2	Official table 2 row 3	Unknown	B channel logic input 2
IB1	Official table 2 row 4	Unknown	B channel logic input 1
IA2	Official table 2 row 5	Unknown	A channel logic input 2
IA1	Official table 2 row 6	Unknown	A channel logic input 1
VM	Official table 2 row 7	Power	Motor drive power 3.3V-10V
GND	Official table 2 row 8	Ground	Negative power supply
MB1	Official table 2 row 9	Unknown	B Output 1
MB2	Official table 2 row 10	Unknown	B Output 2
MA2	Official table 2 row 11	Unknown	A Output 2
MA1	Official table 2 row 12	Unknown	A Output 1

Logical pinout · physical placement not verified

Pin details

12 connections

VCC
Power 3.3V-5V or IO port output high
Power
Official table 2 row 1
GND
Negative power supply
Ground
Official table 2 row 2
IB2
B channel logic input 2
Unknown
Official table 2 row 3
IB1
B channel logic input 1
Unknown
Official table 2 row 4
IA2
A channel logic input 2
Unknown
Official table 2 row 5
IA1
A channel logic input 1
Unknown
Official table 2 row 6
VM
Motor drive power 3.3V-10V
Power
Official table 2 row 7
GND
Negative power supply
Ground
Official table 2 row 8
MB1
B Output 1
Unknown
Official table 2 row 9
MB2
B Output 2
Unknown
Official table 2 row 10
MA2
A Output 2
Unknown
Official table 2 row 11
MA1
A Output 1
Unknown
Official table 2 row 12

Start wiring

PWM · I2C · UART · Wide input · Breakout

Verify supply voltage and logic levels before powering up.

Module pins: VCC, VM, GND. Schematik maps them to your board in the app.

Motor drivers

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